<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品分类</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input v-model="queryInfo.query" clearable @clear="getGoodsList" placeholder="请输入内容">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 渲染列表 -->
      <el-table :data="goodsList" border>
        <el-table-column width="90px" type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column width="104px" label="商品价格" prop="goods_price"></el-table-column>
        <el-table-column width="104px" label="商品重量" prop="goods_weight"></el-table-column>
        <el-table-column width="140px" label="创建时间" prop="add_time">
          <template slot-scope="scope">{{scope.row.add_time|dateFormat}}</template>
        </el-table-column>
        <el-table-column width="180 px" label="操作">
          <template slot-scope="scope">
            <el-button size="mini" type="success" icon="el-icon-edit">编辑</el-button>
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- 分页 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[10, 20, 30, 40]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
    ></el-pagination>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //商品列表
      goodsList: [],
      //商品总数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品失败')
      }
      this.$message.success('获取商品成功')
      console.log(res.data)
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    //根据id   删除商品
    async removeById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除！')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败！')
      }
      this.$message.success('删除成功！')
      this.getGoodsList()
    },
    goAddpage() {
      this.$router.push('goods/add')
    }
  }
}
</script>


<style lang="less" scope>
</style>